This was a bug, there was another post on the forum with the same issue.
The message started after MR4 Patch 4. Your best bet is to upgrade to
MR5 Patch 3. A lot of our big customers (Schools, Universities etc) are
running MR5 with most of the featur...
*** Not supported, do at your own risk *** If the interface config,
FortiOS build are the same you can modify the first line of the config
file and try to restore it.
#config-version=FG100A-3.00-FW-build565-070907:opmode=0:vdom=0:user=admin
Replace F...